Economic
Part of speech: adjective
Definition: pertaining to an economy frugal; cheap (in the sense of representing good value); economical. pertaining to the study of money and its movement
Example sentence: The climate crisis is both the easiest and the hardest issue we have ever faced. The easiest because we know what we must do. We must stop the emissions of greenhouse gases. The hardest because our current economics are still totally dependent on burning fossil fuels, and thereby destroying ecosystems in order to create everlasting economic growth.
Economical
Part of speech: adjective
Definition: Careful with money so as not to spend too much; prudent; thrifty.Relating to economy in any other sense.